A class of variational models describing ecological systems of k species competing for the same resources is investigated. The occurrence of coexistence in minimal energy solutions is discussed and positive results are proven for suitably differentiated internal dynamics.
@article{arxiv.1002.5003,
title = {Global minimizers of coexistence for competing species},
author = {Monica Conti and Veronica Felli},
journal= {arXiv preprint arXiv:1002.5003},
year = {2011}
}